Home / 161,234.75-241,881.22-66,413.18

Finding the Fourth Proportional to 161,234.75, 241,881.22 and 66,413.18

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Solution

The fourth proportional to 161,234.75, 241,881.22 and 66,413.18 is: 99,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,234.75 : 241,881.22 = 66,413.18 : x
  2. Step 2: Convert to fraction form
    161,234.75/241,881.22 = 66,413.18/x
  3. Step 3: Cross multiply
    161,234.75x = 241,881.22 × 66,413.18
  4. Step 4: Simplify right side
    161,234.75x = 16,064,101,690.20
  5. Step 5: Solve for x
    x = 16,064,101,690.20/161,234.75
  6. Step 6: Final answer
    x = 99,631.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.